package com.zking.myservlet.category;


import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.Part;
import java.io.IOException;
import com.zking.dao.CategoryDao;
import com.zking.entity.Category;


@WebServlet("/manage/categoryUpdate")
public class CategoryUpdate extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        //处理请求的编码，解决中文乱码
        request.setCharacterEncoding("utf-8");
        //处理响应的编码 ，解决中文乱码
        response.setContentType("text/html;charset=utf-8");

        System.out.println("CategoryUpdate===进来");
        int id = Integer.parseInt(request.getParameter("id"));
        int parentId = Integer.parseInt(request.getParameter("parentId"));
        String name = request.getParameter("className");
        if(parentId<0){
            parentId=id;
        }
        Category category = new Category(id, name, parentId);
        boolean flag = CategoryDao.updateCategory(category);
        if(flag){
            response.sendRedirect("categorySelectAll");
        }
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doPost(request, response);
    }
}
